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| interleukin 11 ： ウィキペディア英語版 |
interleukin 11
Interleukin 11 (IL-11) is a protein that in humans is encoded by the ''IL11'' gene.〔
IL-11 is a multifunctional cytokine first isolated in 1990 from bone marrow-derived stromal cells. It is a key regulator of multiple events in hematopoiesis, most notably the stimulation of megakaryocyte maturation. It is also known under the names adipogenesis inhibitory factor (AGIF) and oprelvekin.
The human IL-11 gene, consisting of 5 exons and 4 introns, is located on chromosome 19, and encodes a 23 kDa protein. IL-11 is a member of the IL-6-type cytokine family, distinguished based on their use of the common co-receptor gp130. Signal specificity is provided by the IL-11Rα subunit.
== Downstream signalling ==
Signal transduction is initiated upon binding of IL-11 to IL-11Ralpha and gp130, facilitating the homodimerization of gp130 molecules. This permits gp130-associated Janus kinases (JAK) to become activated and phosphorylate intracellular tyrosine residues on gp130.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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